NX5521 Series

Chapter Title

R08DS0028EJ0100 Rev.1.00

Page 2 of 6

Oct 06, 2010

PACKAGE DIMENSIONS (UNIT: mm)

φ1.5

x

= ±300 m

y

= ±300 m

μ

Δ

μ

Δ

PIN CONNECTIONS

1 (Case)

4

3

2

LD

PD

NX5521EK

1 (Case)

2

3

4

LD

PD

NX5521EH

BOTTOM VIEW

1

2

3

4

1.0±0.1

Fiber Coupling Point

*1

Reference

Plane

(0.4)

*2

2.0

φ

4– 0.45

φ

5.6

+0.00

–0.03

φ

( 4.2)

*2

φ

( 3.55)

*2

φ

*1 Recommendation of Fiber Coupling Conditions

Fiber : SMF with 8 degree angle-polished ferrule

Fiber coupling distance : 5.80±0.05 mm from reference plane.

Fiber coupling alignment : optimixed x, y,

( x, y

≤ ±300 m).

*2 (

) indicates nominal dimension.

μ

ΔΔ

θ